Reducing your carbon footprint can be as simple as changing the background color of your website, or taking the time to clear out unused files. Here's how to make your site more efficient while having a positive impact on the environment.

In the February issue, we show you everything you need to know to secure your Mac and keep your data safe. Also, we help you choose the best video calling method. Plus: The cord-cutter's guide to free (and legal) TV streaming.

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